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Preserve storage images across render target transitions

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nmzik
2026-07-16 19:43:28 +02:00
parent 9bed3bddd6
commit f743a48c03
4 changed files with 172 additions and 27 deletions
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tests/ShaderRecompilerComputeTests.cpp
+46
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@@ -10539,6 +10539,52 @@ void CheckImageOverlapResolution() {
ClassifyRenderTargetOverlap(sampled, true, true, target) ==
RenderTargetOverlap::Unsupported,
"GPU-owned sampled allocation was retired for a render target");
ImageInfo storage{};
storage.address = 0x112cd0000ull;
storage.size = 0xff0000;
storage.format = Prospero::GpuEnumValue(Prospero::BufferFormat::k16_16_16_16Float);
storage.width = 1920;
storage.height = 1080;
storage.pitch = 1920;
storage.tile = Prospero::GpuEnumValue(Prospero::TileMode::kRenderTarget);
storage.type = Prospero::GpuEnumValue(Prospero::ImageType::kColor2D);
RenderTargetInfo storage_target{};
storage_target.address = storage.address;
storage_target.size = storage.size;
storage_target.format = VK_FORMAT_R16G16B16A16_SFLOAT;
storage_target.width = storage.width;
storage_target.height = storage.height;
storage_target.pitch = storage.pitch;
storage_target.bytes_per_element = 8;
storage_target.tile_mode = storage.tile;
Require("ImageOverlapResolution", "storage render-target native transition",
ClassifyStorageRenderTargetOverlap(storage, storage_target.format, true, false, false,
true, storage_target) ==
RenderTargetOverlap::PreserveStorage,
"exact GPU-owned RGBA16F storage image was not preserved for a render target");
auto mismatched_storage_target = storage_target;
mismatched_storage_target.width--;
Require("ImageOverlapResolution", "storage render-target guards",
ClassifyStorageRenderTargetOverlap(storage, storage_target.format, false, false, false,
true, storage_target) ==
RenderTargetOverlap::Unsupported &&
ClassifyStorageRenderTargetOverlap(storage, storage_target.format, true, true, false,
true, storage_target) ==
RenderTargetOverlap::Unsupported &&
ClassifyStorageRenderTargetOverlap(storage, storage_target.format, true, false, true,
true, storage_target) ==
RenderTargetOverlap::Unsupported &&
ClassifyStorageRenderTargetOverlap(storage, storage_target.format, true, false, false,
false, storage_target) ==
RenderTargetOverlap::Unsupported &&
ClassifyStorageRenderTargetOverlap(storage, VK_FORMAT_R32G32B32A32_SFLOAT, true,
false, false, true, storage_target) ==
RenderTargetOverlap::Unsupported &&
ClassifyStorageRenderTargetOverlap(storage, storage_target.format, true, false, false,
true, mismatched_storage_target) ==
RenderTargetOverlap::Unsupported,
"unsupported storage-to-render-target transition was admitted");
Require("ImageOverlapResolution", "render target context",
ClassifyRenderTargetOverlap(sampled, false, false, target) ==
RenderTargetOverlap::Unsupported,